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61485412 = 2215371353
BaseRepresentation
bin1110101010001…
…1000101100100
311021200210010111
43222203011210
5111220013122
610033502404
71344421522
oct352430544
9137623114
1061485412
113178599a
1218711a04
13c97a101
148247312
1555e7d77
hex3aa3164

61485412 has 6 divisors (see below), whose sum is σ = 107599478. Its totient is φ = 30742704.

The previous prime is 61485397. The next prime is 61485419. The reversal of 61485412 is 21458416.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 3481956 = 7616^2 + 1866^2 .

It is not an unprimeable number, because it can be changed into a prime (61485419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7685673 + ... + 7685680.

Almost surely, 261485412 is an apocalyptic number.

It is an amenable number.

61485412 is a deficient number, since it is larger than the sum of its proper divisors (46114066).

61485412 is a wasteful number, since it uses less digits than its factorization.

61485412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371357 (or 15371355 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 61485412 is about 7841.2634186080. The cubic root of 61485412 is about 394.6911263729.

The spelling of 61485412 in words is "sixty-one million, four hundred eighty-five thousand, four hundred twelve".

Divisors: 1 2 4 15371353 30742706 61485412